<template>
  <!-- dialog窗口 用于添加和编辑的弹窗-->
  <el-dialog :title="dialogTitle" @close="dialogClose" :visible="dialogVisible">
    <el-form :model="stuForm" :rules="stuRules" ref="addStuRuleForm">
      <el-form-item label="头像">
        <el-upload
          class="uploadAvatar"
          ref="uploadAvatar"
          action="http://chst.vip/students/uploadStuAvatar"
          list-type="picture-card"
          :on-success="uploadSuccess"
          :on-remove="removeAvatar"
          :limit="limit"
          name="headimgurl"
          :file-list="headimgList"
          :multiple="false"
        >
          <i class="el-icon-plus"></i>
        </el-upload>
      </el-form-item>
      <el-form-item label="姓名" prop="name">
        <el-input v-model="stuForm.name" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="项目地址" prop="productUrl">
        <el-input v-model="stuForm.productUrl" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="班级" prop="class">
        <el-input v-model="stuForm.class" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="年龄" prop="age">
        <el-input v-model="stuForm.age" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="城市" prop="city">
        <el-input v-model="stuForm.city" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="学历" prop="degree">
        <el-input v-model="stuForm.degree" autocomplete="off"></el-input>
      </el-form-item>

      <el-form-item label="描述" prop="description">
        <el-input v-model="stuForm.description" autocomplete="off"></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="HIDE_DIALOG">取 消</el-button>
      <el-button type="primary" @click="confirmClick('addStuRuleForm')"
        >确 定</el-button
      >
    </div>
  </el-dialog>
</template>
<script>
import { mapState, mapMutations, mapActions } from "vuex";
//引入发起请求的api
import * as api from "../../api";
export default {
  computed: {
    ...mapState(["dialogVisible", "dialogTitle", "currentRow"]),
  },
  data() {
    return {
      showAvatar: true,
      headimgList: [], //回显的头像
      limit: 1, //上传文件的数量
      stuRules: {
        name: [{ required: true, message: "请输入名字", trigger: "blur" }],
        class: [{ required: true, message: "请输入班级", trigger: "blur" }],
        degree: [{ required: true, message: "请输入学历", trigger: "blur" }],
        city: [{ required: true, message: "请输入城市", trigger: "blur" }],
        productUrl: [
          { required: true, message: "请输入项目地址", trigger: "blur" },
        ],
        age: [{ required: true, message: "请输入年龄", trigger: "blur" }],
        description: [
          { required: true, message: "请输入描述", trigger: "blur" },
        ],
      },
      stuForm: {
        name: "",
        productUrl: "",
        headimgurl: "",
        class: "",
        age: "",
        city: "",
        degree: "",
        description: "",
      },
      oldFrom: {}, //储存stuForm的初始值,便于后续清空dialog内容
    };
  },
  created() {
    //储存stuForm的初始值,便于后续清空dialog内容
    this.oldFrom = { ...this.stuForm };
  },
  methods: {
    ...mapMutations(["SHOW_DIALOG", "HIDE_DIALOG", "CHANGE_DIALOG_TITLE"]),
    ...mapActions(["GET_STULIST"]),
    dialogClose() {
      //dialog关闭时触发的回调
      //清空输入框的值;
      // console.log(12313123);
      this.HIDE_DIALOG();
      //清空dialog表单数据
      this.stuForm = this.oldFrom;
      //清空回显头像的数组
      this.headimgList = [];
      this.limit = 1;
    },
    uploadSuccess(r) {
      console.log(r);
      //把返回来的图片网络地址,添加给stuForm 传给服务器 保存到数据库
      if (r.state) {
        this.stuForm.headimgurl = r.headimgurl;
        console.log(this.headimgList);
        if (this.dialogTitle === "编辑学员信息") {
          setTimeout(() => {
            //把headimgList列表内容设为当前项
            this.headimgList = [{ url: r.headimgurl }];
          }, 500);
        }
      } else {
        this.$message.error("上传失败");
      }
    },
    removeAvatar(r) {},
    confirmClick(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          //关闭dialog
          this.HIDE_DIALOG();
          //表单校验成功
          //发送请求 问题:如何知道点击确定的时候,此时请求增加接口还是编辑接口?
          //判断dialogTitle
          if (this.dialogTitle === "增加学员信息") {
            //发起增加请求
            console.log(this.stuForm, 66666); //这个就是表单中收集到的用户输入数据
            api.addStuApi(this.stuForm).then((res) => {
              console.log(res);
              if (res.data.state) {
                //增加成功
                //重新发起请求,更新表格内容
                this.GET_STULIST();
                this.$message.success("增加成功");
              } else {
                //增加失败
                this.$message.error("增加失败");
              }
            });
          } else {
            //发起编辑请求
            api.updateStuApi(this.stuForm).then((res) => {
              console.log(res);
              if (res.data.state) {
                //修改成功,更新视图
                this.GET_STULIST();
                this.$message.success("修改成功");
              } else {
                //更新失败,比如你在更新的时候,这条数据被别人删除
                this.$message.error("更新失败,没有做任何修改,或者数据不存在");
                //更新页面数据
                this.GET_STULIST();
              }
            });
          }
        } else {
          this.$message.error("请将内容填写完整");
        }
      });
    },
  },
  watch: {
    currentRow(newVal) {
      console.log(newVal);
      console.log(this.stuForm);
      console.log(this.currentRow);
      this.stuForm = this.currentRow;
      this.headimgList = [{ url: this.currentRow.headimgurl }];
      this.limit = 2;
    },
  },
};
</script>
<style>
.uploadAvatar {
  text-align: left;
}
.el-upload-list__item.is-success,
.el-upload--picture-card {
  width: 100px !important;
  height: 100px !important;
  line-height: 100px !important;
}
.el-dialog__header {
  padding: 0 !important;
  line-height: 60px;
}
</style>
